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| author | Andrey Konovalov <andreyknvl@google.com> | 2020-12-22 21:00:21 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-22 21:55:06 +0100 |
| commit | cebd0eb29acdfc2f5e44e5f356ffcd0c44f16b4a (patch) | |
| tree | 8eb908503acaaed49717170ced2c4ed6458235d9 /mm/kasan/kasan.h | |
| parent | kasan: shadow declarations only for software modes (diff) | |
| download | linux-cebd0eb29acdfc2f5e44e5f356ffcd0c44f16b4a.tar.xz linux-cebd0eb29acdfc2f5e44e5f356ffcd0c44f16b4a.zip | |
kasan: rename (un)poison_shadow to (un)poison_range
This is a preparatory commit for the upcoming addition of a new hardware
tag-based (MTE-based) KASAN mode.
The new mode won't be using shadow memory. Rename external annotation
kasan_unpoison_shadow() to kasan_unpoison_range(), and introduce internal
functions (un)poison_range() (without kasan_ prefix).
Co-developed-by: Marco Elver <elver@google.com>
Link: https://lkml.kernel.org/r/fccdcaa13dc6b2211bf363d6c6d499279a54fe3a.1606161801.git.andreyknvl@google.com
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/kasan/kasan.h')
| -rw-r--r-- | mm/kasan/kasan.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index ac499456740f..42ab02c61331 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -150,7 +150,8 @@ static inline bool addr_has_shadow(const void *addr) return (addr >= kasan_shadow_to_mem((void *)KASAN_SHADOW_START)); } -void kasan_poison_shadow(const void *address, size_t size, u8 value); +void poison_range(const void *address, size_t size, u8 value); +void unpoison_range(const void *address, size_t size); /** * check_memory_region - Check memory region, and report if invalid access. |